Help me plz.. 1. Mang ernie sells seafood every day. One Saturday morning, he had 7/8 kilogram of crabs to sell by 10 o`clock 1/6 kilogram was left. How many kilogram was he able to sell

A. how many kilogram of crabs was he able to sell?

B. How did you solve the problem?

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

Which one ? is the answer and how to find this answer

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.